ITMI20040430A1 - PROCEDURE FOR DIAGNOSIS OF A NOX SENSOR - Google Patents

PROCEDURE FOR DIAGNOSIS OF A NOX SENSOR

Info

Publication number
ITMI20040430A1
ITMI20040430A1 IT000430A ITMI20040430A ITMI20040430A1 IT MI20040430 A1 ITMI20040430 A1 IT MI20040430A1 IT 000430 A IT000430 A IT 000430A IT MI20040430 A ITMI20040430 A IT MI20040430A IT MI20040430 A1 ITMI20040430 A1 IT MI20040430A1
Authority
IT
Italy
Prior art keywords
diagnosis
procedure
nox sensor
nox
sensor
Prior art date
Application number
IT000430A
Other languages
Italian (it)
Inventor
Gunther Kegel
Eberhard Schanaibel
Klaus Winkler
Christoph Woll
Original Assignee
Bosch Gmbh Robert
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of ITMI20040430A1 publication Critical patent/ITMI20040430A1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
    • G01N27/4073—Composition or fabrication of the solid electrolyte
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/146—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration
    • F02D41/1463—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration of the exhaust gases downstream of exhaust gas treatment apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
    • G01N27/4175—Calibrating or checking the analyser
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems
IT000430A 2003-03-13 2004-03-05 PROCEDURE FOR DIAGNOSIS OF A NOX SENSOR ITMI20040430A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10310954A DE10310954A1 (en) 2003-03-13 2003-03-13 Diagnostic procedure for a NOx sensor

Publications (1)

Publication Number Publication Date
ITMI20040430A1 true ITMI20040430A1 (en) 2004-06-05

Family

ID=32892121

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000430A ITMI20040430A1 (en) 2003-03-13 2004-03-05 PROCEDURE FOR DIAGNOSIS OF A NOX SENSOR

Country Status (4)

Country Link
JP (1) JP4589016B2 (en)
DE (1) DE10310954A1 (en)
FR (1) FR2852395B1 (en)
IT (1) ITMI20040430A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2906312B1 (en) 2006-09-27 2016-04-15 Bosch Gmbh Robert METHOD FOR DIAGNOSING AN EXHAUST GAS SENSOR EQUIPPED WITH AN INTERNAL COMBUSTION ENGINE AND DEVICE FOR CARRYING OUT SAID METHOD
DE102007006487B4 (en) * 2006-09-27 2018-11-08 Robert Bosch Gmbh Method for diagnosing an exhaust gas sensor arranged in an exhaust region of an internal combustion engine and device for carrying out the method
JP4537417B2 (en) * 2007-03-06 2010-09-01 トヨタ自動車株式会社 NOx sensor abnormality diagnosis device
JP2009281952A (en) * 2008-05-26 2009-12-03 Nissan Diesel Motor Co Ltd Device for determining abnormal condition of nox sensor
WO2010134167A1 (en) * 2009-05-19 2010-11-25 トヨタ自動車株式会社 Abnormality diagnostic apparatus for nox sensor
SE535748C2 (en) * 2010-04-08 2012-12-04 Scania Cv Ab Apparatus and method for detecting a state of a NOx sensor of a motor vehicle
JP5789925B2 (en) * 2010-07-08 2015-10-07 いすゞ自動車株式会社 NOx sensor diagnostic device and SCR system
US9097192B2 (en) * 2011-03-15 2015-08-04 Delphi Technologies, Inc. Method and apparatus for identifying gas sensor faults
US8567175B2 (en) * 2011-08-22 2013-10-29 General Electric Company Emissions prediction system for power generation system
WO2013152780A1 (en) * 2012-04-10 2013-10-17 Volvo Lastvagnar Ab A self-diagnosing method for diagnosing a scr system
NL2015086B1 (en) * 2015-07-03 2017-01-30 Daf Trucks Nv Method, apparatus, and system for diagnosing at least one NOx-sensor of a diesel engine system.
US10329986B2 (en) * 2017-07-18 2019-06-25 Gm Global Technology Operations Llc. Model-based monitoring for selective catalytic reduction device in aftertreatment assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19945374A1 (en) * 1999-09-22 2001-03-29 Volkswagen Ag Method for monitoring the function of a NO¶x¶ sensor arranged in an exhaust gas duct of an internal combustion engine
DE10003228A1 (en) * 2000-01-26 2001-09-06 Volkswagen Ag Measurement of exhaust nitrogen oxide downstream of storage catalyst, includes stage in which minimum value is found, forming sensor zero calibration signal
DE10032571A1 (en) * 2000-07-05 2002-03-28 Volkswagen Ag Catalyst system monitoring method for internal combustion engine of vehicle, involves determining catalyst state code value based on amount of NOx present in exhaust gas corresponding to rich and lean air fuel ratio
DE10049685A1 (en) * 2000-10-07 2002-04-11 Volkswagen Ag Process for single diagnosis of a nitrogen oxides sensor arranged in the exhaust gas line of an internal combustion engine comprises using a lambda signal characterizing the lambda value of the exhaust gas
DE10062289A1 (en) * 2000-12-14 2002-07-04 Siemens Ag Method for diagnosing a NOx sensor in the exhaust tract of an internal combustion engine
US6453663B1 (en) * 2001-08-16 2002-09-24 Ford Global Technologies, Inc NOx sensor monitoring
JP2003120399A (en) * 2001-10-09 2003-04-23 Toyota Motor Corp APPARATUS FOR DETECTING ABNORMALITY OF NOx SENSOR
JP2004212145A (en) * 2002-12-27 2004-07-29 Riken Corp Diagnostic device for gas sensor
JP4273306B2 (en) * 2003-03-05 2009-06-03 三菱ふそうトラック・バス株式会社 NOx sensor abnormality determination device

Also Published As

Publication number Publication date
JP2004279418A (en) 2004-10-07
FR2852395B1 (en) 2006-12-29
FR2852395A1 (en) 2004-09-17
DE10310954A1 (en) 2004-09-23
JP4589016B2 (en) 2010-12-01

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